mirror of
https://github.com/hwchase17/langchain
synced 2024-10-29 17:07:25 +00:00
26 lines
761 B
Python
26 lines
761 B
Python
"""Fake LLM wrapper for testing purposes."""
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from typing import Any, List, Mapping, Optional
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from langchain.llms.base import LLM
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class FakeLLM(LLM):
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"""Fake LLM wrapper for testing purposes."""
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def __init__(self, queries: Optional[Mapping] = None):
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"""Initialize with optional lookup of queries."""
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self._queries = queries
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def __call__(self, prompt: str, stop: Optional[List[str]] = None) -> str:
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"""First try to lookup in queries, else return 'foo' or 'bar'."""
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if self._queries is not None:
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return self._queries[prompt]
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if stop is None:
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return "foo"
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else:
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return "bar"
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@property
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def _identifying_params(self) -> Mapping[str, Any]:
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return {}
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